Dikonfigurasikan untuk aktuasi output AC dalam sistem FLEX I/O, Allen Bradley 1794-OA16 (modul output digital 1794-OA16) menyediakan penukaran deterministik merentasi enam belas titik output tanpa penebatan. Modul ini beroperasi dalam backplane FLEX dan menyokong beban AC dari 74 V AC hingga 132 V AC dengan ciri lonjakan dan kebocoran yang ditakrifkan.
Spesifikasi Perkakasan
Parameter
Spesifikasi
Model
1794-OA16
Jenama
Allen Bradley
Asal
tidak dinyatakan
Berat
kira-kira 96 g
Dimensi
94 x 94 x 69 mm
Suhu Operasi
0 darjah C hingga 55 darjah C
Penggunaan Kuasa
4.7 W maks @ 0.5 A
Penunjuk Prestasi Teras
16 output AC; 250 mA setiap titik; lonjakan 7 A selama 40 ms; penurunan 1.5 V @ 0.5 A; FLEXBus 80 mA @ 5 V DC
Rangkaian Deterministik Profinet / EtherNet/IP
Dalam seni bina Allen Bradley, 1794-OA16 disepadukan ke dalam rangkaian EtherNet/IP atau ControlNet deterministik melalui penyesuai FLEX I/O. Arahan output disebarkan melalui kitaran masa backplane tetap, memastikan penukaran beban AC yang boleh diramal. Skala ketumpatan I/O membolehkan bank output berbilang saluran tinggi tanpa kekangan keserasian firmware flash. Saluran tanpa penebatan modul mengikuti peraturan penyebaran seragam, dan kelajuan komunikasi backplane kekal stabil di bawah beban penuh 16 titik.
Soalan Lazim
S: Bolehkah 1794-OA16 ditukar panas pada asas FLEX I/O? J: Modul FLEX I/O hanya boleh diganti apabila sistem dimatikan kuasa; tukar panas tidak disokong kerana keperluan kesinambungan kuasa dan isyarat backplane.
S: Apakah asas terminal yang serasi dengan 1794-OA16? J: Asas yang disokong termasuk 1794‑TBN(5), TBNF, TB2, TB3, TB3S, TBKD, TBNK, TBNFK, TB3K, dan TB3SK.
S: Berapa cepat output bertukar? J: Peralihan dari mati ke hidup dan hidup ke mati mengikuti kelewatan maksimum 1/2 kitaran AC.
Garis Panduan Pemasangan Lapangan
Pastikan tork yang betul pada skru asas terminal mengikut jenis asas yang dipasang.
Susun pendawaian output AC berasingan dari litar analog tahap rendah untuk mengurangkan gangguan bunyi.
Pastikan bekalan AC luaran kekal dalam julat 74–132 V AC.
Gunakan peranti pelindung berpenarafan lonjakan apabila menukar beban induktif untuk mengurus profil lonjakan 7 A.
Sahkan pemasangan modul dengan menggunakan tekanan seragam di seluruh penyambung FLEX sebelum menghidupkan kuasa.
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